Home / 39,567.83-54,603.66-21,662.96

Finding the Fourth Proportional to 39,567.83, 54,603.66 and 21,662.96

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Solution

The fourth proportional to 39,567.83, 54,603.66 and 21,662.96 is: 29,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,567.83 : 54,603.66 = 21,662.96 : x
  2. Step 2: Convert to fraction form
    39,567.83/54,603.66 = 21,662.96/x
  3. Step 3: Cross multiply
    39,567.83x = 54,603.66 × 21,662.96
  4. Step 4: Simplify right side
    39,567.83x = 1,182,876,902.43
  5. Step 5: Solve for x
    x = 1,182,876,902.43/39,567.83
  6. Step 6: Final answer
    x = 29,894.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.